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Finding the Fourth Proportional to 240,592.87, 360,725.28 and 122,035.60

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Solution

The fourth proportional to 240,592.87, 360,725.28 and 122,035.60 is: 182,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,592.87 : 360,725.28 = 122,035.60 : x
  2. Step 2: Convert to fraction form
    240,592.87/360,725.28 = 122,035.60/x
  3. Step 3: Cross multiply
    240,592.87x = 360,725.28 × 122,035.60
  4. Step 4: Simplify right side
    240,592.87x = 44,021,325,979.97
  5. Step 5: Solve for x
    x = 44,021,325,979.97/240,592.87
  6. Step 6: Final answer
    x = 182,970.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.